<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
const categorys = ref([
    {
        "id": 3,
        "categoryName": "美食",
        "categoryAlias": "my",
        "createTime": "2023-09-02 12:06:59",
        "updateTime": "2023-09-02 12:06:59"
    },
    {
        "id": 4,
        "categoryName": "娱乐",
        "categoryAlias": "yl",
        "createTime": "2023-09-02 12:08:16",
        "updateTime": "2023-09-02 12:08:16"
    },
    {
        "id": 5,
        "categoryName": "军事",
        "categoryAlias": "js",
        "createTime": "2023-09-02 12:08:33",
        "updateTime": "2023-09-02 12:08:33"
    }
])


//声明一个异步的函数
//查询文章分类列表
import {articleCategoryListService,articleCategoryAddService,articleCategoryUpdateService,articleCategoryDeleteService} from '@/api/article.js'
const articleCategoryList = async ()=>{
   let result = await  articleCategoryListService();
   categorys.value = result.data; 
}
//调用方法
articleCategoryList();



//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
    categoryName: '',
    categoryAlias: ''
})
//添加分类表单校验
const rules = {
    categoryName: [
        { required: true, message: '请输入分类名称', trigger: 'blur' },
    ],
    categoryAlias: [
        { required: true, message: '请输入分类别名', trigger: 'blur' },
    ]
}
//添加文章分类
import { ElMessage } from 'element-plus'
const addCategory = async ()=>{
    //调用接口
    let result = await  articleCategoryAddService(categoryModel.value);
    ElMessage.success(result.msg? result.msg:'添加成功')
    //调用获取所有文章分类的函数
    articleCategoryList();
    dialogVisible.value = false;

}
//编辑分类
//定义变量控制标题展示
const title = ref('');
//展示编辑弹窗
const showDialog = (row)=>{
    dialogVisible.value=true;
    title.value='编辑分类';
    //数据拷贝
    categoryModel.value.categoryName = row.categoryName;
    categoryModel.value.categoryAlias = row.categoryAlias;
    //扩展id属性，将来需要传递给后台 完成分类修改
    categoryModel.value.id = row.id;
}

const updateCategory = async ()=>{
    //调用接口
    let result = await articleCategoryUpdateService(categoryModel.value);
    ElMessage.success(result.msg? result.msg:'修改成功')
    //调用获取所有文章分类的函数
    articleCategoryList();
    //隐藏弹窗
    dialogVisible.value = false;
}

//清空表单数据
const clearData = ()=>{
    categoryModel.value.categoryName = '';
    categoryModel.value.categoryAlias = '';
}

//删除分类
import { ElMessageBox } from 'element-plus';
const deleteCategory =(row)=>{
    //提示用户 确认框
    ElMessageBox.confirm(
    '你确认要删除该分类信息吗?',
    '温馨提示',
    {
      confirmButtonText: '确认',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async() => {
        //调用接口
        let result = await articleCategoryDeleteService(row.id);
      ElMessage({
        type: 'success',
        message: '删除成功',
      })
      //刷新列表
      articleCategoryList();
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '用户取消了删除',
      })
    })

}

</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary" @click="dialogVisible=true;title='添加分类';clearData()">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categorys" style="width: 100%"><!-- 指定容器模型 -->
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
        <!-- 添加分类弹窗 -->
            <el-dialog v-model="dialogVisible" :title="title" width="30%" >
                <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
                    <el-form-item label="分类名称" prop="categoryName">
                        <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
                    </el-form-item>
                    <el-form-item label="分类别名" prop="categoryAlias">
                        <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
                    </el-form-item>
                </el-form>
                <template #footer>
                    <span class="dialog-footer">
                        <el-button @click="dialogVisible = false;clearData()">取消</el-button>
                        <el-button type="primary" @click="title=='添加分类'?addCategory():updateCategory()"> 确认 </el-button>
                    </span>
                </template>
            </el-dialog>
    </el-card>
</template>

<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
</style>